Coaster holder



FIG. 1 is a perspective view of a coaster holder showing my new design;

FIG. 2 is a top view of the coaster holder;

FIG. 3 is a front view of the coaster holder, the rear view being a mirror image thereof;

FIG. 4 is a cross-sectional view of the coaster holder, taken along the line A-A of FIG. 3;

FIG. 5 is a side view of the coaster holder, the opposite side view being a mirror image thereof; and,

FIG. 6 is a bottom view of the coaster holder.

The broken lines in the drawing illustrate environmental matter and form no part of the claimed design. 

CLAIM The ornamental design for a coaster holder, as shown and described. 